Definition of buckhorn
1
: the horn of a buck;
often
: the substance of such a horn
- knives with buckhorn handles
2
: deerhorn 2
3 a
: cinnamon fern
b
or less commonly
buckhorn plantain
(1)
: narrow-leaved plantain
(2)
: a Eurasian plantain (Plantago coronopus) sometimes grown for its slightly bitter lobed leaves
(3)
: large-bracted plantain
